Autotoolset is both a colection of small tools (scripts, emacs macros, etc.) to simplify project development with autoconf/automake/libtool/texinfo/emacs and a good documentation on how to get started on these tools and the whole GNU software model.
zetadb is a python/zope tool that allows a rapid application development of relational database oriented web applications. It generates transladable and user friendly applications to maintain data over the web. It also implements OpenOffice integration
AKIRA aims to create a C++ development framework to build cognitive architectures and complex artificial intelligent agents.Features:KQML,Fuzzy Logic,Neural Net,Fuzzy Cognitive Maps and DIPRA (a distributed BDI - Belief Desire Intention goals model)
ZFolder2Product takes the contents of a Zope folder and creates a custom Zope Product, which re-creates the entire folder contents when installed. The Product and folder contents are saved in external files usable within a version control system like CVS.